Honda TRX450R Service Manual page 420

HYDRAULIC BRAKE
INSPECTION
Check the master cylinder and master piston for
scoring, scratches or damage.
Check the piston cups for wear, deterioration or
damage.
ASSEMBLY
Coat the master piston and piston cups with clean
DOT 4 brake fluid.
Install the spring onto the piston end.
Do not allow the Install the spring and master piston into the master
piston cup lips to cylinder.
turn inside out. Install the push rod into the master cylinder.
Be certain the snap Install the snap ring into the groove in the master
ring is firmly seated cylinder using the special tool.
in the groove.
TOOL:
Snap ring pliers 07914-SA50001
Install the boot into the master cylinder and push
rod groove.
BOOT
19-20